產品詳細資料

Technology family LSF Applications GPIO, I2C, MDIO, PMBus, SMBus Bits (#) 2 Data rate (max) (Mbps) 200 High input voltage (min) (V) 0.95 High input voltage (max) (V) 5 Vout (min) (V) 0.95 Vout (max) (V) 5 IOH (max) (mA) 0 IOL (max) (mA) 0 Supply current (max) (µA) 12.5 Features Output enable Input type Transmission Gate Output type 3-State, Transmission Gate Rating Catalog Operating temperature range (°C) -40 to 125
Technology family LSF Applications GPIO, I2C, MDIO, PMBus, SMBus Bits (#) 2 Data rate (max) (Mbps) 200 High input voltage (min) (V) 0.95 High input voltage (max) (V) 5 Vout (min) (V) 0.95 Vout (max) (V) 5 IOH (max) (mA) 0 IOL (max) (mA) 0 Supply current (max) (µA) 12.5 Features Output enable Input type Transmission Gate Output type 3-State, Transmission Gate Rating Catalog Operating temperature range (°C) -40 to 125
DSBGA (YZT) 8 1.9404 mm² 1.98 x 0.98 SOT-23-THN (DDF) 8 8.12 mm² 2.9 x 2.8 SSOP (DCT) 8 11.8 mm² 2.95 x 4 VSSOP (DCU) 8 6.2 mm² 2 x 3.1 X2SON (DQE) 8 1.4 mm² 1.4 x 1
  • Provides bidirectional voltage translation with no direction pin
  • Supports up to 100MHz up translation and greater than 100MHz down translation at ≤ 30pF capacitive load and up To 40MHz up or down translation at 50pF capacitive load
  • Allows bidirectional voltage-level translation between
    • 0.95V ↔ 1.8/2.5/3.3/5V
    • 1.2V ↔ 1.8/2.5/3.3/5V
    • 1.8V ↔ 2.5/3.3/5V
    • 2.5V ↔ 3.3/5V
    • 3.3V ↔ 5V
  • Low standby current
  • 5V tolerance I/O port to support TTL
  • Low RON provides less signal distortion
  • High-impedance I/O pins for EN = Low
  • Flow-through pinout for easy PCB trace routing
  • Latch-up performance >100mA per JESD 17
  • –40°C to 125°C operating temperature range
  • Provides bidirectional voltage translation with no direction pin
  • Supports up to 100MHz up translation and greater than 100MHz down translation at ≤ 30pF capacitive load and up To 40MHz up or down translation at 50pF capacitive load
  • Allows bidirectional voltage-level translation between
    • 0.95V ↔ 1.8/2.5/3.3/5V
    • 1.2V ↔ 1.8/2.5/3.3/5V
    • 1.8V ↔ 2.5/3.3/5V
    • 2.5V ↔ 3.3/5V
    • 3.3V ↔ 5V
  • Low standby current
  • 5V tolerance I/O port to support TTL
  • Low RON provides less signal distortion
  • High-impedance I/O pins for EN = Low
  • Flow-through pinout for easy PCB trace routing
  • Latch-up performance >100mA per JESD 17
  • –40°C to 125°C operating temperature range

The LSF family of devices supports bidirectional voltage translation without the need for DIR pin which minimizes system effort (for PMBus, I2C, SMBus, and so forth). The LSF family of devices supports up to 100MHz up translation and greater than 100MHz down translation at ≤ 30pF capacitive load and up to 40MHz up or down translation at 50pF capacitive load which allows the LSF family to support more consumer or telecom interfaces (MDIO or SDIO).

LSF family supports 5V tolerance on I/O port which makes it compatible with TTL levels in industrial and telecom applications. The LSF family is able to set up different voltage translation levels which makes it very flexible.

The LSF family of devices supports bidirectional voltage translation without the need for DIR pin which minimizes system effort (for PMBus, I2C, SMBus, and so forth). The LSF family of devices supports up to 100MHz up translation and greater than 100MHz down translation at ≤ 30pF capacitive load and up to 40MHz up or down translation at 50pF capacitive load which allows the LSF family to support more consumer or telecom interfaces (MDIO or SDIO).

LSF family supports 5V tolerance on I/O port which makes it compatible with TTL levels in industrial and telecom applications. The LSF family is able to set up different voltage translation levels which makes it very flexible.

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類型 標題 日期
* Data sheet LSF0102 2 Channel Auto-Bidirectional Multi-Voltage Level Translator for Open-Drain and Push-Pull Applications datasheet (Rev. B) PDF | HTML 2024年 4月 11日
Application note Understanding Transient Drive Strength vs. DC Drive Strength in CMOS Output Buffers PDF | HTML 2024年 5月 14日
Application brief Enabling AI Accelerators with Voltage Level Translation PDF | HTML 2024年 5月 1日
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 2024年 4月 30日
Application brief Integrated vs. Discrete Open Drain Level Translation PDF | HTML 2024年 1月 9日
Application brief Future-Proofing Your Level Shifter Design with TI's Dual Footprint Packages PDF | HTML 2023年 9月 5日
Product overview Enabling System on Module Industrial PC Connectivity With Level Translation PDF | HTML 2023年 4月 3日
Application brief Enabling Next Generation Processors, FPGA, and ASSP with Voltage Level Translat PDF | HTML 2023年 1月 17日
Application brief Enabling Smart Solar Inverter Designs with Level Translation PDF | HTML 2022年 10月 31日
Product overview Translate Voltages for I2C for PCA9306 LSF0102 TXS0102 PDF | HTML 2022年 9月 14日
Product overview Translate Voltages for I2C PDF | HTML 2022年 6月 2日
Selection guide Voltage Translation Buying Guide (Rev. A) 2021年 4月 15日
Technical article Enabling smart meter wireless connectivity with level translation PDF | HTML 2019年 10月 23日
Application note Factors Affecting VOL for TXS and LSF Auto-bidirectional Translation Devices 2017年 11月 19日
Application note Biasing Requirements for TXS, TXB, and LSF Auto-Bidirectional Translators 2017年 10月 30日
EVM User's guide LSF-EVM Hardware User's Guide 2017年 7月 5日
Selection guide Logic Guide (Rev. AB) 2017年 6月 12日
EVM User's guide LSF010X Evaluation Module User's Guide (Rev. A) 2015年 6月 29日
Application note Voltage Translation Between 3.3-V, 2.5-V, 1.8-V, and 1.5-V Logic Standards (Rev. B) 2015年 4月 30日
Application note Voltage-Level Translation With the LSF Family (Rev. B) 2015年 3月 12日
Application note Selecting the Right Level Translation Solution (Rev. A) 2004年 6月 22日

設計與開發

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開發板

5-8-LOGIC-EVM — 適用於 5 針腳至 8 針腳 DCK、DCT、DCU、DRL 和 DBV 封裝的通用邏輯評估模組

靈活的 EVM 旨在支援任何針腳數為 5 至 8 支且採用 DCK、DCT、DCU、DRL 或 DBV 封裝的裝置。
使用指南: PDF
TI.com 無法提供
開發板

LSF-EVM — 1 至 8 位元 LSF 轉換器系列評估模組

The LSF family of devices are level translators that support a voltage range of 0.95V and 5V and provide multi-voltage bidirectional translation without a direction pin.

The LSF-EVM comes populated with the LSF0108PWR device and has landing patterns that are compatible with the LSF0101DRYR, (...)

使用指南: PDF
TI.com 無法提供
模擬型號

LSF0102 IBIS Model

SDLM023.ZIP (56 KB) - IBIS Model
參考設計

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Many products are now becoming connected through the Internet of Things (IoT), including test equipment such as digital multimeters (DMM).  Enabled by Texas Instruments’ SimpleLink™ ultra-low power wireless microcontroller (MCU) platform, the TIDA-01012 reference design (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-01014 — 適用於低功耗工業物聯網現場計量的強化準確度電池電量計參考設計

The Internet of Things (IoT) revolution is efficiently connecting applications and instruments, enabling battery powered, wide scale very low power sensor deployment.  New technologies, such as TI’s advanced sensor and low power connectivity devices, are enabling these instruments to be (...)
Design guide: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
DSBGA (YZT) 8 Ultra Librarian
SOT-23-THN (DDF) 8 Ultra Librarian
SSOP (DCT) 8 Ultra Librarian
VSSOP (DCU) 8 Ultra Librarian
X2SON (DQE) 8 Ultra Librarian

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